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80402410237 is a prime number
BaseRepresentation
bin100101011100001011…
…0110110101011111101
321200112101022122001211
41022320112312223331
52304131004111422
6100534130404421
75544306132202
oct1127026665375
9250471278054
1080402410237
113110a078926
12136ba730711
13777460b496
143c6a3a9ca9
1521589ab577
hex12b85b6afd

80402410237 has 2 divisors, whose sum is σ = 80402410238. Its totient is φ = 80402410236.

The previous prime is 80402410217. The next prime is 80402410273. The reversal of 80402410237 is 73201420408.

Together with next prime (80402410273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54590453316 + 25811956921 = 233646^2 + 160661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80402410237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80402410199 and 80402410208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80402410217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40201205118 + 40201205119.

It is an arithmetic number, because the mean of its divisors is an integer number (40201205119).

Almost surely, 280402410237 is an apocalyptic number.

It is an amenable number.

80402410237 is a deficient number, since it is larger than the sum of its proper divisors (1).

80402410237 is an equidigital number, since it uses as much as digits as its factorization.

80402410237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 80402410237 in words is "eighty billion, four hundred two million, four hundred ten thousand, two hundred thirty-seven".